CORONA, Calif. -- At least 12 vehicles were involved in a massive pileup on the westbound 91 Freeway in Corona Thursday morning.
The collision occurred around 4:40 a.m. near Green River Road. Multiple lanes were shut down as emergency crews worked to clear the scene.
Injuries were unknown. Traffic was at a standstill for miles. null
At least 12 cars involved in massive California pileup
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